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Finding the Fourth Proportional to 88,758.57, 122,486.21 and 48,472.35

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Solution

The fourth proportional to 88,758.57, 122,486.21 and 48,472.35 is: 66,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,758.57 : 122,486.21 = 48,472.35 : x
  2. Step 2: Convert to fraction form
    88,758.57/122,486.21 = 48,472.35/x
  3. Step 3: Cross multiply
    88,758.57x = 122,486.21 × 48,472.35
  4. Step 4: Simplify right side
    88,758.57x = 5,937,193,921.38
  5. Step 5: Solve for x
    x = 5,937,193,921.38/88,758.57
  6. Step 6: Final answer
    x = 66,891.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.